Who is the fortune teller in Xiaohe Hotel?

What does the fortune teller mean when he says I am suitable for water-related work?

It is the water industry.

Drifting, rapidity, fluidity, continuous movement, variability and water.

Love black, Libei. Water conservancy, aquatic products, water pipes, water supply and drainage and water treatment, refrigeration, beverages, cold nonflammable beverages, liquids, cold food transactions, aquatic seafood fishery, fire extinguishing appliances, making a fortune by water (such as umbrellas, rain gear and washing products), cleaning, laundry, bathroom sauna, pedicure spa, hot spring and bathroom industries. Fitness, entertainment, pornography, hotels, restaurants, mobile vendors, vegetable markets. Trade, speculation, stock market, futures orders, salesmen, tour guides, travel agencies, hospitals, doctors, nurses, logistics express, postal services, transportation, aviation, flight attendants, toy industry, advertising, customs declaration, ball games, coaches, mass media, journalists, dancers, stunts, magic, circuses and volunteers.